Abstract

The solvent and melt methods were employed to prepare solid dispersions with various water soluble carriers and a slightly soluble drug, sulfabenzamide. The carriers investigated included citric acid, succinic acid, dextrose, polyethylene glycol 6000, mannitol and urea. Dispersions with dextrose were superior to other carriers in releasing the drug into solution. Melts with both dextrose and urea produced faster rates of dissolution of sulfabenzamide than the coprecipitates from the solvent method. With mannitol and polyethylene glycol 6000, the coprecipitates produced a faster rate of dissolution of the drug than the melt dispersions.

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